<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>Title</title>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <meta http-equiv="Content-Encoding" content="charset=UTF-8">
</head>
<body>
<form action="/ZY/rrServlet" method="get">
    用户名:<input type="text" name="username"><br>
    密码:<input type="password" name="password"><br>
    <input type="submit" value="注册"/>
</form>
</body>
</html>